<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<script src="sizzle.js" type="text/javascript" charset="utf-8"></script>
	</head>
	<body>
		<div>
			<ul>
				<li>1</li>
				<li>2</li>
				<li>3</li>
			</ul>
		</div>
		<p>pppp</p>
		<script type="text/javascript">
			Sizzle('p')[0].innerHTML = 'Sizzle change p';
			console.log(Sizzle('p'))  //  [p]   -即使只有一个元素，Sizzle拿到的也是一个数组
		
			Sizzle('ul li').forEach( (item,index) => {
				console.log(item,index) // <li>1</li> 0 ...
			})
		
		</script>
		
	</body>
</html>
